All-optical nanoscale thermometry with silicon-vacancy centers in diamond

2017/08/17 by Christian T. Nguyen, Ruffin E. Evans, Alp Sipahigil +7 · 1 voice · 4 citations
Earth and Planetary Sciences · Materials Science · Physics and Astronomy · #Advanced Fiber Laser Technologies #Diamond and Carbon-based Materials Research #High-pressure geophysics and materials #cond-mat.mes-hall #quant-ph

paper · pdf · doi:10.1063/1.5029904

published as Appl. Phys. Lett. 112, 203102 (2018) · 5 pages, 3 figures

openalex created_date 2017/06/15 · arxiv created 2017/08/17 · openalex publication_date 2018/05/14 · arxiv updated 2018/12/27 · openalex updated_date 2026/07/30

Abstract

We demonstrate an all-optical thermometer based on an ensemble of silicon-vacancy centers (SiVs) in diamond by utilizing a temperature dependent shift of the SiV optical zero-phonon line transition frequency, Δλ/ΔT= 6.8 GHz/K. Using SiVs in bulk diamond, we achieve 70 mK precision at room temperature with a sensitivity of 360 mK/√(Hz). Finally, we use SiVs in 200 nm nanodiamonds as local temperature probes with 521 mK/√(Hz) sensitivity. These results open up new possibilities for nanoscale thermometry in biology, chemistry, and physics, paving the way for control of complex nanoscale systems.

Citations

• emcee: The MCMC Hammer

Cited by

• Luminescence Thermometry Beyond the Biological Realm
• Optimal strategies for transient and equilibrium quantum thermometry using Gaussian and non-Gaussian probes
• Diamond quantum thermometry: from foundations to applications
• How carbon vacancies can affect the properties of group IV color centers in diamond: A study of thermodynamics and kinetics

Discussions

• @Whit3rd's answer mentions "Presumably a modern equivalent might look at fluorescence lifetimes of some tiny particles, with similar microscopic visual access, in laser illumination." This is not hypo [stackexchange, 7 points]

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